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Diffstat (limited to 'libstdc++-v3/testsuite/20_util/duration/cons/2.cc')
-rw-r--r-- | libstdc++-v3/testsuite/20_util/duration/cons/2.cc | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/duration/cons/2.cc b/libstdc++-v3/testsuite/20_util/duration/cons/2.cc new file mode 100644 index 000000000..820d76401 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/duration/cons/2.cc @@ -0,0 +1,119 @@ +// { dg-options "-std=gnu++0x" } +// { dg-require-cstdint "" } + +// Copyright (C) 2008, 2009 Free Software Foundation +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +// 20.8.3 Class template duration [time.duration] + +#include <chrono> +#include <type_traits> +#include <testsuite_hooks.h> + +template<typename T> +struct type_emulator +{ + type_emulator() : i(T(0)) { } + type_emulator(T j) : i(j) { } + type_emulator(const type_emulator& e) : i(e.i) { } + + type_emulator& operator*=(type_emulator a) + { i *= a.i; return *this; } + + type_emulator& operator+=(type_emulator a) + { i += a.i; return *this; } + + operator T () { return i; } + T i; +}; + +template<typename T> +bool operator==(type_emulator<T> a, type_emulator<T> b) +{ return a.i == b.i; } + +template<typename T> +bool operator<(type_emulator<T> a, type_emulator<T> b) +{ return a.i < b.i; } + +template<typename T> +type_emulator<T> operator+(type_emulator<T> a, type_emulator<T> b) +{ return a += b; } + +template<typename T> +type_emulator<T> operator*(type_emulator<T> a, type_emulator<T> b) +{ return a *= b; } + +namespace std +{ + template<typename T, typename U> + struct common_type<type_emulator<T>, U> + { typedef typename common_type<T,U>::type type; }; + + template<typename T, typename U> + struct common_type<U, type_emulator<T>> + { typedef typename common_type<U,T>::type type; }; + + template<typename T, typename U> + struct common_type<type_emulator<T>, type_emulator<U>> + { typedef typename common_type<T,U>::type type; }; + + namespace chrono + { + template<typename T> + struct treat_as_floating_point<type_emulator<T>> + : is_floating_point<T> + { }; + } +} + +typedef type_emulator<int> int_emulator; +typedef type_emulator<double> dbl_emulator; + +// 20.8.3.1 duration constructors [time.duration.cons] +void +test01() +{ + bool test __attribute__((unused)) = true; + using namespace std::chrono; + + duration<int> d0(3); + duration<int> d0_copy(d0); + VERIFY(d0_copy.count() == d0.count()); + + duration<int, std::milli> d1(5); + duration<int, std::micro> d1_copy(d1); + VERIFY(d1.count() * 1000 == d1_copy.count()); + + duration<double, std::micro> d2(8.0); + duration<double, std::milli> d2_copy(d2); + VERIFY(d2.count() == d2_copy.count() * 1000.0); + + duration<int_emulator, std::milli> d3(5); + duration<int_emulator, std::micro> d3_copy(d3); + VERIFY(d3.count() * 1000 == d3_copy.count()); + + duration<dbl_emulator, std::micro> d4(5.0); + duration<dbl_emulator, std::milli> d4_copy(d4); + VERIFY(d4.count() == d4_copy.count() * dbl_emulator(1000.0)); +} + +int +main() +{ + test01(); + return 0; +} |